Mantos Blancos
Mine with plantCobreAntofagastaActive
Site ID 131270 · 36 installations in the register
Installations
What the register lists at this site, grouped by function.
2Extraction19Process plants2Tailings6Dumps and deposits1WaterExtraction2
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Mina Rajo Abierto Mantos Blancos | Open-pit mine | Activa | 919 m a.s.l. | -23.4390, -70.0676 | SERNAGEOMIN |
| Acopio Mineral Externo | Open-pit mine | Eliminado | 844 m a.s.l. | -23.4257, -70.0124 | SERNAGEOMIN |
Process plants19
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Dump Este | Leaching | Activa | 945 m a.s.l. | -23.4232, -70.0312 | SERNAGEOMIN |
| Pila de Lixiviación Entrefases | Leaching | Activa | 947 m a.s.l. | -23.4449, -70.0935 | SERNAGEOMIN |
| Rom Mercedes | Leaching | Activa | 843 m a.s.l. | -23.4430, -70.0983 | SERNAGEOMIN |
| Chancado Fino Sulfuro Línea 2 | Crushing plant | Activa | 883 m a.s.l. | -23.4398, -70.0674 | SERNAGEOMIN |
| Chancado Finos Sulfuros | Crushing plant | Activa | 948 m a.s.l. | -23.4375, -70.0595 | SERNAGEOMIN |
| Chancado Primario | Crushing plant | Activa | 929 m a.s.l. | -23.4393, -70.0574 | SERNAGEOMIN |
| Flotación Rougher | Concentrator | Activa | 912 m a.s.l. | -23.4383, -70.0615 | SERNAGEOMIN |
| Planta de Cal | Concentrator | Activa | 922 m a.s.l. | -23.4382, -70.0608 | SERNAGEOMIN |
| Patio Cátodos | Solvent extraction plant (SX) | Activa | 854 m a.s.l. | -23.4396, -70.0732 | SERNAGEOMIN |
| Planta EW | Solvent extraction plant (SX) | Activa | 847 m a.s.l. | -23.4403, -70.0739 | SERNAGEOMIN |
| Planta SX | Solvent extraction plant (SX) | Activa | 835 m a.s.l. | -23.4407, -70.0733 | SERNAGEOMIN |
| Planta Clasificación Material Fino y Grueso | Filter plant | Activa | 897 m a.s.l. | -23.4407, -70.0585 | SERNAGEOMIN |
| Descarga de Ácido Sulfúrico | Leach plant | Activa | 904 m a.s.l. | -23.4359, -70.0826 | SERNAGEOMIN |
| Patio de Estanques | Leach plant | Activa | 859 m a.s.l. | -23.4405, -70.0732 | SERNAGEOMIN |
| Molino 8 | Grinding plant | Activa | 883 m a.s.l. | -23.4392, -70.0648 | SERNAGEOMIN |
| Bateas de Lixiviación | Leaching | Inactiva | 886 m a.s.l. | -23.4373, -70.0701 | SERNAGEOMIN |
| Dump Oeste | Leaching | Inactiva | 898 m a.s.l. | -23.4361, -70.0826 | SERNAGEOMIN |
| Planta Concentradora Sulfuros | Concentrator | En revisión de proyecto | 918 m a.s.l. | -23.4391, -70.0600 | SERNAGEOMIN |
| Planta Óxidos | Solvent extraction plant (SX) | Eliminado | 919 m a.s.l. | -23.4435, -70.0715 | SERNAGEOMIN |
Tailings2
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Depósito de Relaves Finos (Pit Fase 8) | Tailings dam | Activa | 882 m a.s.l. | -23.4348, -70.0926 | SERNAGEOMIN |
| Depósito Tranque de Relave | Tailings dam | Activa | 877 m a.s.l. | -23.4466, -70.0516 | SERNAGEOMIN |
Dumps and deposits6
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Botadero Argentina | Low-grade stockpile | Activa | 1,084 m a.s.l. | -23.4154, -70.1017 | SERNAGEOMIN |
| Botadero Este | Low-grade stockpile | Activa | 1,084 m a.s.l. | -23.4215, -70.0377 | SERNAGEOMIN |
| Depósitos Mineral de Baja Ley | Low-grade stockpile | Activa | 919 m a.s.l. | -23.4398, -70.0458 | SERNAGEOMIN |
| Botadero 1084 | Waste rock dump | Eliminado | 1,084 m a.s.l. | -23.4191, -70.0841 | SERNAGEOMIN |
| Botadero 996 | Waste rock dump | Eliminado | 998 m a.s.l. | -23.4211, -70.0406 | SERNAGEOMIN |
| Botadero Mercedes | Low-grade stockpile | Inactiva | 912 m a.s.l. | -23.4361, -70.0702 | SERNAGEOMIN |
Water1
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Piscina de Relaves | Emergency ponds | Inactiva | 900 m a.s.l. | -23.4444, -70.0585 | SERNAGEOMIN |
Support6
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Administración | Administration and offices | Activa | 832 m a.s.l. | -23.4439, -70.0757 | SERNAGEOMIN |
| Polvorin | Explosives magazine | Activa | 1,026 m a.s.l. | -23.4252, -70.0743 | SERNAGEOMIN |
| Taller de Mantención Mina | Workshops | Activa | 902 m a.s.l. | -23.4368, -70.0682 | SERNAGEOMIN |
| Taller Eléctrico Planta Sulfuros | Workshops | Activa | 904 m a.s.l. | -23.4396, -70.0598 | SERNAGEOMIN |
| Taller Mecánico Línea 2 | Workshops | Activa | 860 m a.s.l. | -23.6634, -70.4004 | SERNAGEOMIN |
| Taller Mecánico Planta Sulfuros | Workshops | Activa | 900 m a.s.l. | -23.4479, -70.0801 | SERNAGEOMIN |
Air emissions
What the establishment tied to this site declares to the Ministry of the Environment's RETC: tonnes a year by pollutant.
Mantos Copper S.A. · Mantos Copper S.A.
Tied to this site because its holder operates it and it lies 2 km away. Sources: Caldera Agua Caliente, Caldera calefaccion, Grupo electrógeno, Grupo Electrógeno, Grupo Electrógeno IVSP
| Year | CO₂ | SO₂ | NOx | PM10 | Hg | As | Pb | RETC |
|---|---|---|---|---|---|---|---|---|
| 2024 | 55.8 t | 96 kg* | 1.49 t | 105 kg | — | 0 t | 0 t | Ministerio del Medio Ambie… |
| 2023 | 169 t | 291 kg* | 4.52 t | 318 kg | — | 0 t | 0 t | Ministerio del Medio Ambie… |
| 2022 | 7,600 t | 14 kg | 8.5 t | 760 kg | 0 t | 176 g | 395 g | Ministerio del Medio Ambie… |
| 2020 | 2,152 t | — | 57.5 t | — | 0 t | — | — | Ministerio del Medio Ambie… |
| 2019 | 5,249 t | 8 kg | 28.8 t | 436 kg | 0 t | 101 g | 226 g | Ministerio del Medio Ambie… |
| 2017 | 12,869 t | 17.3 t | 13.4 t | 637 kg | 3 g | 0 t | 0 t | Ministerio del Medio Ambie… |
* Includes the Ministry's own estimates, not only what the establishment declared.
Source: RETC, Ministry of the Environment (Creative Commons Attribution). Emissions declared by the establishment under D.S. 138, added up over all its sources. All sites and the country's ranking are in Emissions.
Status changes
2 installations changed status between April 2025 and today, according to the dated copies of the register.
- Botadero mercedes· Depósito rmm - mineral de baja leyActiva → InactivaSERNAGEOMIN
- Planta concentradora sulfuros· Planta concentradoraActiva → En revision de proyectoSERNAGEOMIN
Source: SERNAGEOMIN, copies of the register of installations of 8 April, 8 September and 26 November 2025, compared with today's register. Referential: a change in the register does not always match the date of the event.
Deposits nearby
Deposits and prospects of SERNAGEOMIN's national database within 15 km of this operation, nearest first.
Mantos Blancos· Cu, Ag· 1.9 km awaySERNAGEOMIN
Large · Mined
- Resource: Medido: 20000000 t · 1,65 % Cu
- Reserve: Probables: 10000000 t · 1,47 % Cu · 1983
Argentina· Cu· 3.5 km awaySERNAGEOMIN
Small · Mined
Source: SERNAGEOMIN, national deposit database (SIA Yacimientos). Referential: the distance is between points and does not say who owns each deposit. Every deposit in the country is on Deposits.